CAJ | 학술논문

奶牛生产性能测定（DHI）对奶牛群体遗传改良、调整日粮和喂量、预防常见疾病、提高牛奶产量和质量有着非常重要的作用，同时可为牛群的标准化饲养、数字化管理提供依据。为了解该项技术在陕西的应用成效，笔者所在单位对其应用效果进行了调查，以期为今后更好地扩展该项工作提供依据。。
내우생산성능측정（DHI）대내우군체유전개량、조정일량화위량、예방상견질병、제고우내산량화질량유착비상중요적작용，동시가위우군적표준화사양、수자화관리제공의거。위료해해항기술재협서적응용성효，필자소재단위대기응용효과진행료조사，이기위금후경호지확전해항공작제공의거。。
Dairy herd improvement (DHI) had very important roles for the herds genetic improvement, adjust and control dairy production, adjust food and feeding amount, prevent common diseases, improve the quality of milk production,it also provided the basis for the standardization of cattle breeding, digital management of herds. In order to ifnd out the present the application of this technology in Shanxi province, provide the basis for extending the work better in future, the application effect nearly four years was surveyed .